a yellow oil, C20H28O, similar to vitamin A, obtained from fish liver.
Big Vitamin B6-cancer news raises the question: What do the B and 6 mean?
A study published this week in the Journal of the American Medical Association says that smokers with greater amounts of Vitamin B6 may be less likely to develop lung cancer. The findings are preliminary, but have caused a lot of excitement. Behind the promising health news is a great question: Why are vitamins named with various letters and numbers? Does the letter match the name of a chemical, like Vitamin C and citric …
Read more in this article about some frequently asked questions and fun facts related to our definitions.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a vitamin that occurs in the tissues of freshwater fish and has a function similar to that of vitamin A. Formula: C 20 H 28 OAlso called: dehydroretinol
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
A golden yellow oil occurring chiefly in the livers of freshwater fish and having about 40 percent of the biological activity of vitamin A1.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.